What are some of the simple things people can do to reduce energy consumption(消耗)? Helpful expressions: 使用节能灯泡use energy efficient light bulbs 睡前关灯switch off before going to sleep 停止使用一次性购物袋stop using throw-away shopping bags 使用可再生能源如太阳能use renewable energy uch as solar power 选择步行、骑自行车或坐公交/地铁choose to walk, ride a bike or take a bus/subway